Boeing, Amazon.com and Choice Hotels all tumbled on a moderately down day for the market. Martha Stewart Living shares jumped on upbeat quarterly results.

Shares of the aerospace company and Dow Jones Industrial Average component tumbled 4.60% on a second-quarter loss weighed down by more than $1 billion in charges. Boeing lifted guidance, but it provided little support for the stock. Prudential Equity Group analyst Byron Callan maintained an Overweight rating, writing in a research noted...